CN106602788A - Spherical electric vehicle magnetic suspension flywheel battery - Google Patents
Spherical electric vehicle magnetic suspension flywheel battery Download PDFInfo
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- CN106602788A CN106602788A CN201611242500.1A CN201611242500A CN106602788A CN 106602788 A CN106602788 A CN 106602788A CN 201611242500 A CN201611242500 A CN 201611242500A CN 106602788 A CN106602788 A CN 106602788A
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- spherical
- flywheel
- stator
- inner housing
- magnetic
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
- H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention discloses a spherical electric vehicle magnetic suspension flywheel battery; an inner housing, a spherical stator, a spherical cavity rotor, two permanent magnets and two magnetic suspension spherical surface bearings are arranged in a vacuum cavity; the spherical stator is arranged in the right center of the flywheel housing; the spherical cavity rotor is arranged outside the spherical stator; the spherical cap shape inner housing having the same spherical core is arranged outside the spherical cavity rotor; the bottom opening of the inner housing is seamlessly fixedly connected with the first permanent magnet in a spherical cap shape; the inner housing and the spherical cavity rotor are fixedly connected through a rotor connector; the second permanent magnet in the spherical cap shape is arranged right below the first permanent magnet, and fixedly connected on the inner surface of the flywheel housing; the two magnetic suspension spherical surface bearings are arranged between the flywheel housing and the inner housing, fixedly connected on the inner wall of the flywheel housing, and two central shafts thereof are intersected. The spherical electric vehicle magnetic suspension flywheel battery can eliminate air friction losses on the flywheel, and can increase the gyro control moment scope, thus inhibiting the flywheel gyroscopic effect.
Description
Technical field
The present invention relates to flying wheel battery（Also referred to as energy accumulation device for fly wheel）Structure, a kind of especially magnetic for electric automobile
Suspending flywheel battery.
Background technology
Flying wheel battery is a kind of new mechanical energy storing device, and it is using the flywheel of rotation at a high speed by energy with the shape of kinetic energy
Formula is stored.Compared with existing chemical cell, flying wheel battery has energy storage density height, long service life, energy conversion effect
Many advantages, such as rate is high, pollution-free, the charging interval is short.Flywheel current battery is in electric automobile, Aero-Space, uninterrupted power source
Etc. (UPS) field is widely used.
The gyroscopic effect that at a high speed the flying wheel battery rotor of rotation runs into external interference generation is restriction flying wheel battery development
Technical barrier, causes this difficult problem to be mainly reflected in the topological structure of flying wheel battery（The choosing of magnetic suspension bearing system and integrated motor
Select and installation）Design.Magnetic suspending flying wheel battery is typically with electromagnetism/permanent magnetism hybrid magnetic bearing propping up as flywheel rotor
Hold, realize the suspension control of radially, axially 5 degree of freedom, although this conventional design ensure that the stable outstanding of flying wheel battery
Transportation by driving row, but when flywheel battery device is subject to external interference, due to flying wheel battery it is intrinsic have axle construction, i.e. flying wheel battery
Flywheel is around a principal axis of inertia rotational structure, therefore the gyroscopic effect phenomenon for producing is inevitable.Particularly with vehicle-mounted flywheel electricity
Pool device, when the actions such as startup, jerk, turning are run into, can all cause flywheel head shaft that very big top is received on constraint direction
Spiral shell torque, so that flywheel head shaft or flywheel bearing are subject to very big additonal pressure.Additionally, the generating that conventional flywheel battery is adopted
Machine/motor generally using magneto or asynchronous machine, these conventional motors exist in operation high-speed cruising reliability it is low,
The characteristics of power consumption is big, maintenance cost is high.In addition, flying wheel battery respectively makees flywheel rotor, hybrid magnetic suspension bearing and motor
It is arranged in rotating shaft for independent individuality, hybrid magnetic suspension bearing need to provide the controllable suspension of 5 degree of freedom of flying wheel battery
Hold, therefore, cause that flying wheel battery volume is big, high cost, energy consumption are big, complex structure, limit Energy Storage of Flywheel Battery density and storage
The raising of energy efficiency.Therefore, how to realize that the suppression of gyroscopic effect is current by designing the topological structure of flywheel battery
Flying wheel battery construction applications problem demanding prompt solution.
The content of the invention
The purpose of the present invention is to solve the problems, such as above-mentioned prior art, there is provided a kind of simple structure, it is reliable,
Energy storage density is high, the magnetic suspending flying wheel battery spherical used for electric vehicle that gyroscopic effect is effectively suppressed.
The technical scheme that a kind of spherical magnetic suspending flying wheel battery used for electric vehicle of the present invention is adopted is：Including by spherical crown shape
The closed spherical vacuum chamber that the end cap of the spherical crown shape at flywheel casing and its top middle opening is surrounded, vacuum intracavity
Inner housing, spherical stator, spherical cavity rotor, two permanent magnets and two magnetic levitation ball spherical bearings are provided with, spherical stator is located at winged
At the centre of hub cap, the outside of spherical stator is spherical cavity rotor, and spherical stator top is fixedly connected by stator suspension rod
The centre of end cap, the outside of spherical cavity rotor is that have the inner housing with the spherical crown shape of the centre of sphere, the top and bottom of inner housing
It is to be open, seamless the first permanent magnet for being fixedly connected spherical crown shape, inner housing and spherical cavity rotor at the bottom opening of inner housing
Between be fixedly connected by rotor connector, be the spherical crown shape being fixed on flywheel casing inner surface immediately below the first permanent magnet
The second permanent magnet, the center overlapping of axles of two permanent magnets, two permanent magnets are radial magnetizings, opposite polarity, outside flywheel
Two magnetic levitation ball spherical bearings being fixed on flywheel casing inwall, two magnetic levitation ball spherical bearings are set between shell and inner housing
Central shaft cross-distribution, it is and equal with the central shaft angle of two permanent magnets.
Further, two magnetic levitation ball spherical bearings respectively have 8 stator poles, and 8 stator poles are along magnetic levitation ball spherical bearing
Central shaft axial direction on point upper and lower two-layer correspondence arrange that four in per layer stator poles are distributed uniformly and circumferentially, each
The spherical shape of inner surface and sphere centre of stator poles overlaps with the centre of sphere O of flywheel casing, and in each stator poles winding is wound with, on
Windings in series in four stator poles of layer, the windings in series in four stator poles of lower floor.
Present invention beneficial effect compared with prior art is：
1st, magnetically levitated flywheel proposed by the invention is sealed in the spherical housing of vacuum, eliminates windage to flywheel institute
The loss for bringing, rotor is designed to an entirety with inner housing, constitutes the outer rotor ball of a globular motor transmission
Shape flywheel.2 groups of magnetic levitation ball spherical bearings are set on the inwall of shell body, and every group of bearing there are four groups of stator poles, and stator pole surface is in
Dome shape, and sphere centre overlaps with the shell centre of sphere.Every group of stator is provided with upper and lower the two poles of the earth, and stator winding is placed on it.So, two
Group magnetic levitation ball spherical bearing constitutes altogether eight pairs of poles, and the stable suspersion of spherical flywheel can be met completely.The present invention is provided with a pair
Permanent magnet, principle is repelled each other by flywheel suspension according to like pole, and this design not only reduces reluctance type spherical bearing
Power consumption, and avoid flywheel in case of emergency with body collide, leave between this bearing with spherical outside surface and sphere flywheel certain
Gap, is easy to form magnetic gap.
2nd, the stator pole surface of the magnetic levitation ball spherical bearing in the present invention is made into and makes dome shape, and suitable stayed surface is
Spherical rotor, it is compared with traditional Lorentz force magnetic suspension bearing, and its bearing capacity is bigger, and rotor quality, angular momentum enter
One step is improved, and is easy to increase the scope of gyro control torque.In addition magnetic levitation ball spherical bearing can be realized being put down on three degree of freedom
It is dynamic, twisting it is full decoupled, so as to the stable suspersion for realizing spherical flywheel is rotated, improve control essence of the spherical bearing to flywheel
Degree, farthest inhibits the generation of the gyroscopic effect of flywheel.
3rd, it is " shaftless " structure that the present invention can cause the topological structure of whole flying wheel battery, i.e. flywheel rotor is revolved around ball
Turn, rather than the principal axis of inertia, therefore the generation of gyroscopic effect is completely inhibit from structure.From kinesiology, spherical structure is most
Be conducive to multi-dimensional movement, can be positioned and be worked in space any direction.In addition, spherical structure causes the circuit of motor
It is symmetrical with magnetic circuit, it is easy to the control to flying wheel battery and analysis.Therefore electric generator/electric motor is by the present invention with flywheel design
Integrally, electric generator/electric motor is designed as spherical, flywheel is allow around stator centre of sphere Arbitrary Rotation, so as to eliminate flywheel
The generation of battery gyroscopic effect.
4th, the spherical flywheel rotor that the present invention is provided, in theory, spherical flywheel can eliminate the product of gyroscopic effect
It is raw.Compared with traditional flywheel, its sphere magnetic bearing air gap is spherical shell shape, and rotor deflection will not cause the change of spherical shell air gap shape
Change, any time magnetic pole surfaces magnetic flux distribution is uniform, it is to avoid the generation of magnetic flux pulling force and negative moment, improve the suspension of rotor
Precision.
5th, the present invention is combined globular motor outer rotor with spherical flywheel, simplifies the structure of flying wheel battery.Device is sealed
In the spherical shell of vacuum, the loss that air brings is eliminated, it is overall in addition to adopt magnetic suspension bearing system, reduce machinery and rub
Wipe.In terms of the selection of flywheel, low-density, high-strength material are employed, reduce the quality of device.Thus, flying wheel battery
Cost also decreases.
Description of the drawings
Fig. 1 is a kind of vertical Longitudinal cross section schematic of spherical magnetic suspending flying wheel battery used for electric vehicle of the present invention；
Fig. 2 is the topology view of first magnetic levitation ball spherical bearing 6 in Fig. 1；
Fig. 3 is the axial of first magnetic levitation ball spherical bearing 6 in Fig. 2；
Fig. 4 is the topology view of second magnetic levitation ball spherical bearing 7 in Fig. 1；
Fig. 5 is the axial of second magnetic levitation ball spherical bearing 7 in Fig. 4；
Fig. 6 is the distribution enlarged drawing that magnetizes of two permanent magnets 13,14 in Fig. 1.
In figure：1. end cap：2. sealing ring；3. stator suspension rod；4. the flywheel casing of spherical crown shape；5. magnetic levitation ball spherical bearing is determined
Sub-set ring；6. first magnetic levitation ball spherical bearing；7. second magnetic levitation ball spherical bearing, 8. inner housing；9. rotor connector；
10. spherical stator；11. spherical cavity rotors；12. vacuum valves；13. permanent magnets；14. permanent magnets；15. eddy current displacement sensors；
16. permanent magnet sleeves；17. vacuum chambers；18. bracing frames；61. stator poles；62. first windings；71. stator poles；72. second around
Group.
Specific embodiment
The present invention is further elucidated with reference to the accompanying drawings and detailed description.For sake of convenience, rectangular coordinate system is set up
XYO, by the centre of sphere O of spherical crown shape flywheel casing 4 in Fig. 1 origin is set to.The middle of flying wheel battery of the present invention is vertical up and down
Vertical section structure is placed in rectangular coordinate system XYO, by vertical vertical section structure centered on origin O in rectangular coordinate system XYO
In be along the circumferential direction divided into six equal portions, be 60 degree per radian shared by equal portions, make flywheel casing 4 form six regions, be named as
I, II, III, IV, V, VI area.
Shown in Figure 1, present invention outside is the flywheel casing 4 of a bearing support 18 and a spherical crown shape, spherical crown shape
The bottom of flywheel casing 4 is fixedly connected bearing support 18.The top middle of spherical crown shape flywheel casing 4 is provided with opening, in opening
Heart axle overlaps with Y-axis, and radian shared by the opening on vertical longitudinal section is 60 degree.The end cap 1 of spherical crown shape, end cap are installed at opening
It is provided with sealing ring 2 between 1 and spherical flywheel casing 4, end cap 1 and flywheel casing 4 match closed so as to define one
Spherical vacuum chamber 17.Vacuum valve 12 is also set up on the housing of flywheel casing 4, to guarantee the inside absolute vacuum of vacuum chamber 17.
Be provided with the vacuum chamber 17 inner housing 8 of spherical crown shape, spherical stator 10, spherical cavity rotor 11, the first permanent magnet 13,
Second permanent magnet 14 and two magnetic levitation ball spherical bearings 6,7.
Spherical stator 10 is located at the centre of flywheel casing 4, and the outside of spherical stator 10 is corresponding spherical cavity rotor
11, leave air gap between spherical cavity rotor 11 and spherical stator 10.The centre of sphere and ball of spherical stator 10 and spherical cavity rotor 11
The centre of sphere O of hub cap 4 overlaps.The top and bottom of spherical cavity rotor 11 is opening.The top of spherical stator 10 passes through stator
Suspension rod 3 is fixedly connected the centre of end cap 1, and the top of stator suspension rod 3 is fixedly connected end cap 1, and the bottom of stator suspension rod 3 is fixedly connected
Spherical stator 10.The outside of spherical cavity rotor 11 is the inner housing 8 of the spherical crown shape of the same centre of sphere, that is, the inner housing 8 of spherical crown shape
Inside set spherical stator 10 and spherical cavity rotor 11, inner housing 8 is contained in whole spherical cavity rotor 11 and spherical stator 10
It is internal.The top and bottom of inner housing 8 is opening, the open top of inner housing 8 and the open-topped position of flywheel casing 4
Inside and outside corresponding, in vertical longitudinal section, radian shared by the open top of inner housing 8 is 60 degree, in the region in II areas.Stator hangs
Bar 3 is from inside to outside through the open top of inner housing 8.First permanent magnet 13 of spherical crown shape is installed at the bottom opening of inner housing 8,
Make to be fixedly connected with the first permanent magnet 13 is seamless with inner housing 8 at bottom opening.The centre of sphere of the first permanent magnet 13 and inner housing 8
The centre of sphere overlaps.Radian shared by the first permanent magnet 13 on vertical longitudinal section is 60 degree, in the region in V areas.Inner housing 8 and ball
It is fixedly connected by rotor connector 9 between shape chamber rotor 11, rotor connector 9 is arranged in X-axis place horizontal plane.So, by
Inside and outside shell 8, spherical cavity rotor 11, rotor connector 9, the first permanent magnet 13 collectively form spherical magnetically levitated flywheel.
Positioned at second permanent magnet 14 for being arranged right below spherical crown shape of the first permanent magnet 13, the second permanent magnet 14 passes through permanent magnetism
Body sleeve 16 is fixed on the inner surface of flywheel casing 4.Radian shared by the second permanent magnet 14 on vertical longitudinal section is 60 degree,
Corresponding with the position of the first permanent magnet 13, two permanent magnets have identical central shaft and identical centre of sphere O, all in V areas
Region.First permanent magnet 13 and the second permanent magnet 14 are radial magnetizings, and opposite polarity, the inner of the first permanent magnet 13 is S poles, outward
End is N poles, and the inner of the second permanent magnet 14 is N poles, and outer end is S poles.First permanent magnet 13 and the second permanent magnet 14 utilize the same sex
The principle collective effect that magnetic pole repels each other so that spherical magnetically levitated flywheel suspends in the Y direction, reduces magnetic bearing power consumption
Ensure that spherical magnetically levitated flywheel is unlikely to collide body in the case of urgent moving is run into simultaneously.
Between flywheel casing 4 and inner housing 8, two magnetic levitation ball spherical bearings are set, are respectively first magnetic levitation ball
Spherical bearing 6 and second magnetic levitation ball spherical bearing 7, first magnetic levitation ball spherical bearing 6 and second magnetic levitation ball spherical bearing 7 are all
It is fixedly connected on the inwall of flywheel casing 4 by the stator collar 5.All stay between two magnetic levitation ball spherical bearings and inner housing 8
There is gap, do not interfere with inner housing 8.First magnetic levitation ball spherical bearing 6 is located at the IV areas on I areas and opposite, second magnetic suspension
Spherical bearing 7 is located at the VI areas on III areas and opposite.The relative centre of sphere O cross-distribution of the two magnetic levitation ball spherical bearings 6,7, first
The central shaft of individual magnetic levitation ball spherical bearing 6 is Y1 axles, and the central shaft of second magnetic levitation ball spherical bearing 7 is Y2 axles, Y1 axles and Y2
Axle intersects at centre of sphere O points.Also, on vertical longitudinal section, the angle between Y1 axles and Y2 axles is 60 degree.First magnetic suspension
The central shaft of the central shaft Y2 and two permanent magnets 13,14 of the central shaft Y1 of spherical bearing 6 and second magnetic levitation ball spherical bearing 7
Angle it is equal, angle acute angle is all 30 degree, equal with the central shaft angle of stator suspension rod 3, i.e., on longitudinal cross-section, the two
Central shaft Y1, Y2 of magnetic levitation ball spherical bearing is equal with the angle of X-axis, is all 60 degree, also equal with the angle of Y-axis, is all 30
Degree.
The two magnetic levitation ball spherical bearings 6,7 be using this mounting means in order that the two magnetic levitation ball spherical bearings 6,
7 cooperate, and can both produce the biasing component F2 of an X-direction, it is also possible to produce the biasing component F1 of Y direction so that
Inner housing 8 and whole spherical magnetically levitated flywheel stress balance, stable suspersion.When spherical magnetically levitated flywheel deviates equilbrium position
When, only need to pass through outside control circuit adjust the size of its electromagnetic force being subject to by spherical magnetically levitated flywheel is withdrawn into it is flat
Weighing apparatus position.
Referring to shown in Fig. 2 and Fig. 3, magnetic levitation ball spherical bearing 6 has 8 stator poles, 61,8 stator poles 61 along magnetic levitation ball
A point upper and lower two-layer correspondence arranges that four in per layer stator poles 61 are along the circumferential direction equal in the axial direction of the central shaft Y1 of spherical bearing 6
Even distribution, corresponding upper and lower two stator poles constitute a pair of stator poles in upper and lower two-layer, thus constitute 4 pairs of stator poles, and this 4
Central shaft Y1 of the stator poles around magnetic levitation ball spherical bearing 6 is uniformly distributed.The spherical shape of inner surface of each stator poles 61, and
Sphere centre overlaps with the centre of sphere O of flywheel casing 4.Angle up and down between two stator poles 61 in a pair of stator poles is in 30
Degree.The first winding 62 is wound with each stator poles 61, the first winding 62 in the stator poles 61 of four, upper strata is connected, lower floor four
The first winding 62 in stator poles 61 is connected.When the first winding 62 of the levels of magnetic levitation ball spherical bearing 6 all pass to it is equal
During bias current, upper strata stator of the synthesis biasing magnetic flux in the radial direction thereof of magnetic levitation ball spherical bearing 6 from stator poles to 61
The Internal Spherical Surface of pole 61 is set out, sequentially pass through air gap between upper strata stator poles and inner housing 8, inner housing 8, lower floor's stator poles 61 with it is interior
Air gap, the Internal Spherical Surface of lower floor's stator poles 61 between housing 8 returns to the Internal Spherical Surface of upper strata stator poles 61, so, makes magnetic suspension sphere
Bearing 6 respectively produces in the radial direction thereof biasing electromagnetic force F equal in magnitude and in opposite direction,, wherein B is magnetic strength
Intensity is answered, S is the Internal Spherical Surface area of stator poles 61,For air permeability.Biasing electromagnetic force F is the conjunction of F1 and F2 in Fig. 1
Power.
Referring to shown in Fig. 4 and Fig. 5, the structure of magnetic levitation ball spherical bearing 7 is identical with magnetic levitation ball spherical bearing 6, also there is 8
71,8 stator poles 61 of stator poles point upper and lower two-layer correspondence arrangement in the axial direction of the central shaft Y2 of magnetic levitation ball spherical bearing 7, often
Four stator poles 71 in layer are distributed uniformly and circumferentially, and corresponding upper and lower two stator poles constitute a pair and determine in upper and lower two-layer
Sub- pole.The second winding 72 is wound with each stator poles 71, the second winding 72 in the stator poles 71 of four, upper strata is connected, lower floor four
The second winding 72 in individual stator poles 71 is connected.The magnetic flux producing method of magnetic levitation ball spherical bearing 7 all with the phase of magnetic levitation ball spherical bearing 6
Together, repeat no more.So, magnetic levitation ball spherical bearing 6,7 radially respectively produce one it is equal in magnitude and in opposite direction inclined
Put electromagnetic force F so that spherical flywheel is in equilbrium position.
As seen from Figure 1, two magnetic levitation ball spherical bearings 6,7 are installed because of staggered form, by the shadow of flywheel self gravitation
Ring, it is larger by disturbing influence in the Y-axis direction, purely rely on two magnetic levitation ball spherical bearings 6,7 of active mode control often
The power consumption and easy unstability of magnetic levitation ball spherical bearing can be increased, therefore the present invention arranges the second permanent magnet 14 in the bottom of flywheel casing 4,
The correspondence position of inside and outside shell 8 directly over the second permanent magnet 14 is also provided with the first permanent magnet 13.It is shown in Figure 6, the first permanent magnetism
The scattergram that magnetizes of the permanent magnet 14 of body 13 and second, so, the first permanent magnet 13 utilizes like pole phase with the second permanent magnet 14
The principle collective effect scolded so that flywheel suspends in the Y direction, reduce two magnetic levitation ball spherical bearings 6,7 power consumptions it is same
When ensure flywheel run into it is urgent dynamic in the case of be unlikely to collide body, when in the spherical flying wheel battery course of work in order to two
Magnetic force produced by magnetic levitation ball spherical bearing 6,7 realizes precise control, it is necessary to carry out monitor in real time to the center displacement of flywheel,
As shown in figure 1, present invention perforate on the housing of inside and outside shell 8, arranges dielectric displacement sensing between flywheel casing 4 and inside and outside shell 8
Device 15, the not Exposure shell 8 of electric displacement sensor 15, by the inside and outside shell 8 of the non-contact capture perforate of electric displacement sensor 15
Displacement information, and then the closed loop control to accumulated energy flywheel state is realized by the regulation and control of external control circuit, by right shown in Fig. 1
Two magnetic levitation ball spherical bearings 6,7 are equipped with a current vortex sensor 15, and near the inwall bottom of flywheel casing 4.
Additionally, in inside and outside shell 8 and two magnetic levitation ball spherical bearings 6, inner surface all spraying platings of 7 stator poles or posting high hardness alloy material
Material, the collision that can prevent spherical flywheel from occurring in motion suddenly.
According to the above, the present invention just can be realized.To those skilled in the art without departing substantially from the present invention spirit and
The other changes and modifications made in the case of protection domain, are included within the scope of the present invention.
Claims (7)
1. a kind of spherical magnetic suspending flying wheel battery used for electric vehicle, including the flywheel casing by spherical crown shape（4）With its top center
Between spherical crown shape at opening end cap（1）The closed spherical vacuum chamber for surrounding（17）, it is characterized in that：Vacuum chamber（17）It is interior
It is provided with inner housing（8）, spherical stator（10）, spherical cavity rotor（11）, two permanent magnets（13、14）With two magnetic suspension spherical axis
Hold（6、7）, spherical stator（10）It is located at flywheel casing（4）Centre, spherical stator（10）Outside be spherical cavity rotor
（11）, spherical stator（10）Top passes through stator suspension rod（3）It is fixedly connected end cap（1）Centre, spherical cavity rotor（11）'s
Outside is that have the inner housing with the spherical crown shape of the centre of sphere（8）, inner housing（8）Top and bottom be opening, inner housing（8）'s
Seamless the first permanent magnet for being fixedly connected spherical crown shape at bottom opening（13）, inner housing（8）With spherical cavity rotor（11）Between lead to
Cross rotor connector（9）It is fixedly connected, the first permanent magnet（13）Underface be to be fixed in flywheel casing（4）Ball on inner surface
The second coronal permanent magnet（14）, two permanent magnets（13、14）Center overlapping of axles, two permanent magnets（13、14）It is radially
Magnetize, opposite polarity, in flywheel casing（4）And inner housing（8）Between arrange be fixed in flywheel casing（4）Two magnetic on inwall
Suspension spherical bearing（6、7）, two magnetic levitation ball spherical bearings（6、7）Central shaft cross-distribution, and with two permanent magnets（13、
14）Central shaft angle it is equal.
2. a kind of spherical magnetic suspending flying wheel battery used for electric vehicle according to claim 1, is characterized in that：Two magnetic levitation balls
Spherical bearing（6、7）Respectively there are 8 stator poles, 8 stator poles are along magnetic levitation ball spherical bearing（6、7）Central shaft axial direction on point on
Lower two-layer correspondence arranges that four in per layer stator poles are distributed uniformly and circumferentially, and the inner surface of each stator poles is spherical
Shape and sphere centre and flywheel casing（4）Centre of sphere O overlap, winding is wound with each stator poles, in the stator poles of four, upper strata
Windings in series, the windings in series in four stator poles of lower floor.
3. a kind of spherical magnetic suspending flying wheel battery used for electric vehicle according to claim 2, is characterized in that：Up and down two-layer is corresponding
Angle up and down between two stator poles be in 30 degree.
4. a kind of spherical magnetic suspending flying wheel battery used for electric vehicle according to claim 1, is characterized in that：Two permanent magnets
（13、14）The centre of sphere, inner housing（8）The centre of sphere and flywheel casing（4）Centre of sphere O overlap, two magnetic levitation ball spherical bearings（6、
7）Central shaft intersect at centre of sphere O points.
5. a kind of spherical magnetic suspending flying wheel battery used for electric vehicle according to claim 4, is characterized in that：Inner housing（8）'s
Radian shared by open top is 60 degree, two permanent magnets（13、14）Shared radian is 60 degree, two magnetic levitation ball spherical bearings（6、
7）Central shaft between angle be 60 degree.
6. a kind of spherical magnetic suspending flying wheel battery used for electric vehicle according to claim 1, is characterized in that：Two magnetic levitation balls
Spherical bearing（6、7）With inner housing（8）Between all leave gap.
7. a kind of spherical magnetic suspending flying wheel battery used for electric vehicle according to claim 1, is characterized in that：Inside and outside shell（8）'s
Housing is provided with perforate, in flywheel casing（4）And inside and outside shell（8）Between not Exposure shell is set（8）Electric displacement sensor
（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242500.1A CN106602788B (en) | 2016-12-29 | 2016-12-29 | A kind of spherical shape magnetic suspending flying wheel battery for electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242500.1A CN106602788B (en) | 2016-12-29 | 2016-12-29 | A kind of spherical shape magnetic suspending flying wheel battery for electric vehicle |
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| CN106602788A true CN106602788A (en) | 2017-04-26 |
| CN106602788B CN106602788B (en) | 2019-02-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887662A (en) * | 2017-11-06 | 2018-04-06 | 佛山市梦真营机电有限公司 | A kind of spherical battery fixed connection apparatus |
| CN108425945A (en) * | 2018-02-12 | 2018-08-21 | 北京航空航天大学 | One kind is based on double level power amplifier permanent magnet biased hybrid magnetic bearing control systems and without gap sensors detection method |
| CN109229424A (en) * | 2018-09-13 | 2019-01-18 | 清华大学 | A kind of multi-degree of freedom spherical electrodynamic levitation momenttum wheel |
| CN110061587A (en) * | 2019-04-16 | 2019-07-26 | 江苏大学 | A kind of shaftless free wheels energy storage device of self-evacuating vacuum using composite molecular pump |
| CN110683080A (en) * | 2019-08-30 | 2020-01-14 | 北京航空航天大学 | Magnetic suspension ball bowl bearing device |
| CN110718987A (en) * | 2019-12-02 | 2020-01-21 | 北京泓慧国际能源技术发展有限公司 | Flywheel battery |
| CN114189100A (en) * | 2022-01-04 | 2022-03-15 | 江苏大学 | Structure self-adjusting type vehicle-mounted flywheel battery coping with multiple working modes and working method thereof |
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| CN107887662A (en) * | 2017-11-06 | 2018-04-06 | 佛山市梦真营机电有限公司 | A kind of spherical battery fixed connection apparatus |
| CN107887662B (en) * | 2017-11-06 | 2020-04-28 | 佛山市梦真营机电有限公司 | Spherical battery fixed connection device |
| CN108425945A (en) * | 2018-02-12 | 2018-08-21 | 北京航空航天大学 | One kind is based on double level power amplifier permanent magnet biased hybrid magnetic bearing control systems and without gap sensors detection method |
| CN108425945B (en) * | 2018-02-12 | 2019-10-25 | 北京航空航天大学 | One kind is based on double level power amplifier permanent magnet biased hybrid magnetic bearing control systems and without gap sensors detection method |
| CN109229424A (en) * | 2018-09-13 | 2019-01-18 | 清华大学 | A kind of multi-degree of freedom spherical electrodynamic levitation momenttum wheel |
| CN110061587A (en) * | 2019-04-16 | 2019-07-26 | 江苏大学 | A kind of shaftless free wheels energy storage device of self-evacuating vacuum using composite molecular pump |
| CN110061587B (en) * | 2019-04-16 | 2021-02-12 | 江苏大学 | Self-vacuumizing shaftless double-flywheel energy storage device adopting composite molecular pump |
| CN110683080A (en) * | 2019-08-30 | 2020-01-14 | 北京航空航天大学 | Magnetic suspension ball bowl bearing device |
| CN110718987A (en) * | 2019-12-02 | 2020-01-21 | 北京泓慧国际能源技术发展有限公司 | Flywheel battery |
| CN110718987B (en) * | 2019-12-02 | 2020-10-30 | 北京泓慧国际能源技术发展有限公司 | Flywheel battery |
| CN114189100A (en) * | 2022-01-04 | 2022-03-15 | 江苏大学 | Structure self-adjusting type vehicle-mounted flywheel battery coping with multiple working modes and working method thereof |
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